JINSHI Men's Bamboo Fibre Boxer Briefs Light Weight Trunks 95% bamboo fiber+5% spandex Gentle machine wash in cold water Stretch fabrication for shape retention Better soft, thin, breathable and stretch than cotton Size map: M(26 inch-29 inch)/ L(30 inch-32 inch)/ XL(32 inch-36 inch) All products are Asian size, suggest to order one or two size up